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 TM 10-3930-673-20-2
18-23. BOOM EXTEND AND RETRACT CHAINS INSPECTION/ADJUSTMENT (CONT)
(4)
Loosen or tighten adjusting locknut (4) until
1
chain is within specifications.
(a)
Loosen jamnut (5).
(b)
Loosen or tighten adjusting locknut (4)
until chain (2) sag is within
specifications.
(c)
Tighten jamnut (5).
(5)
Retract and extend boom (1) several times
(TM 10-3930-673-10).
(6)
Recheck chain (2) sag.
O ENTER SECTION
C
F INTERMEDIATE
B
(7)
Check tension of hydraulic hoses and boom
OOM
electrical cable
C BOOM
2
HAIN SAG
5
4
TR00694
END OF TASK
18-118
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